<!DOCTYPE html>
<html lang="en">
   <style>
       html{width: 100%;
            height: 100%;
            overflow: hidden;
            font-style: sans-serif;}
       body{width: 100%;
            height: 100%;
            font-family: 'Open Sans',sans-serif;
            margin: 0;
            background-color: #4A374A;}
       button{width: 300px;min-height: 20px;
              display: block;
              background-color: #4a77d4;
              border: 1px solid #3762bc;
              color: #fff;
              padding: 9px 14px;
              font-size: 15px;
              line-height: normal;
              border-radius: 5px;
              margin: 0;}
       input{width: 278px;
             height: 18px;
             margin-bottom: 10px;
             outline: none;
             padding: 10px;
             font-size: 13px;
             color: #fff;
             text-shadow:1px 1px 1px;
             border-top: 1px solid #312E3D;
             border-left: 1px solid #312E3D;
             border-right: 1px solid #312E3D;
             border-bottom: 1px solid #56536A;
             border-radius: 4px;
             background-color: #2D2D3F;}
       #login{position: absolute;
                top: 50%;
                left:50%;
                margin: -150px 0 0 -150px;
                width: 300px;
                height: 300px;}
       #login h1{color: #fff;
                text-shadow:0 0 10px;
                letter-spacing: 1px;
                text-align: center;}
       h1{font-size: 2em;
            margin: 0.67em 0;}
   </style>
<head>
    <meta charset="UTF-8">
    <title>华为云网盘系统用户登录</title>
</head>
<body>
    <div id ="login">
        <h1>华为云网盘系统登录</h1>
        <form method="post">
            <input type="text" name="user" placeholder="用户名">
            <input type="password" name="pwd" placeholder="密码">
            <button type="submit" style="">登录</button>
            {{msg}}
        </form>
        <form method="post" action="/register">
            <button type="submit" style="margin-top:20px">注册</button>
        </form>
    </div>
</body>
</html>